Best Functional Medicine Doctors in Arizona

Functional medicine practitioners who address root causes of disease through systems-oriented, patient-centered care. Browse and compare functional medicine doctors across Arizona, algorithmically scored, powered by real data.

Showing 26 of 27 functional medicine doctors in Arizona

Last updated: May 2026

The highest-rated functional medicine doctors in Arizona include Zhanna Tarjeft, FNP-BC, IFMCP (BDS 9.6), Bridget R. Lehmann, NMD (BDS 9.4), Robert Walker, MD (BDS 9.3). Rankings are based on BestDosage's transparent BDS scoring methodology, which evaluates reviewed reputation, listed credentials, professional presence, profile depth, and location detail — five weighted criteria drawn from public data.

BestDosage has evaluated 27 functional medicine doctors across Arizona based on credentials, patient reviews, and practice transparency. The average BestDosage Score across Arizona is 7.5 / 10 — reflecting a strong overall standard of care statewide. Functional medicine doctors are typically MDs, DOs, NDs, or NPs with additional training through the Institute for Functional Medicine (IFM). Look for board certification and documented experience with root-cause, systems-based protocols.

Frequently Asked Questions

Who is the best functional medicine doctor in Arizona?

The highest-rated functional medicine doctors in Arizona based on BestDosage Scores include Zhanna Tarjeft, FNP-BC, IFMCP (BDS 9.6), Bridget R. Lehmann, NMD (BDS 9.4), Robert Walker, MD (BDS 9.3). Rankings are updated regularly using credentials, patient reviews, and practice transparency data.

How are functional medicine doctors in Arizona scored?

Each functional medicine doctor is scored across five weighted criteria drawn from public data: reviewed reputation, listed credentials, professional presence, profile depth, and location detail. Scores run to 10, and we publish one only at 7.0 or above.

How many functional medicine doctors are listed in Arizona?

We currently have 27 functional medicine doctors listed in Arizona. Browse by city to find providers near you.

How much does a functional medicine doctor cost in Arizona?

Functional medicine doctor costs in Arizona vary by provider, treatment type, and whether insurance is accepted. Many practitioners offer free consultations. Use BestDosage to compare pricing transparency across providers.

What should I look for in a functional medicine doctor?

Look for verified credentials, high patient review scores, transparent pricing, and relevant specializations. BestDosage evaluates all of these factors in its BDS scoring methodology so you can compare providers at a glance.

Which cities in Arizona have the most functional medicine doctors?

The top cities for functional medicine doctors in Arizona include Phoenix (26), Tucson (1).

Does insurance cover functional medicine doctor visits in Arizona?

Insurance coverage for functional medicine doctor visits varies by plan and state. Some providers accept insurance directly, while others offer superbills for out-of-network reimbursement. Check individual practitioner profiles on BestDosage for insurance details.

Is it free to find a functional medicine doctor on BestDosage?

Yes, browsing the directory, viewing profiles, and comparing providers is completely free. Our scoring methodology is published openly for full transparency.

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Reviewed by Chad Waldman, Analytical Chemist · BestDosage Editorial Team · Last updated May 2026

Best Functional Medicine Doctors in Arizona

Functional Medicine Doctors by City in Arizona

Other Wellness Providers in Arizona

Zhanna Tarjeft, FNP-BC, IFMCP

Bridget R. Lehmann, NMD

Robert Walker, MD

Amelia Lo, Family Nurse Practitioner

Bryan Glick, DO

Kari Vernon, DC

Danielle B. Bechert, MD

Jennifer J. Sosnowski, MD

Michelle Jeffries, DO

Sheridan James, MD

Margaret A. Powell, DC

Abby Borhan, MD

Cheri D. Dersam, MD

Wanda Ichiriu, PA-C, IFMCP

Emily Parke, DO

S. Ross Dunbar, ND, MSOM

Rayette P. Casiano, MD

Susan Del Sordi-Staats, DO

Patricia StandTal Clarke

Janis Rustad

Chad Campbell, PA-C

Linda Eller, DO

Tiffany Ziegler, DO, MS

Tasia Kurland, DNP, AGNP-C

Burgess Buchanan, MSN, ACNP-C

Lexine M. Hebets, MD

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